#B0302F#B0302F

#B0302F is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.7% C 0.165 H 25.7°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#B0302F
RGB	rgb(176, 48, 47)
HSL	hsl(0, 58%, 44%)
HSV	hsv(0, 73%, 69%)
CMYK	cmyk(0%, 72.7%, 73.3%, 31%)
CIE-LAB	lab(40.50, 51.26, 31.52)
CIE-LCH	lch(40.50, 60.18, 31.58°)
OKLab	oklab(50.68% 0.1487 0.0715)
OKLCH	oklch(50.68% 0.165 25.7)
XYZ	xyz(19.4767, 11.5522, 3.8930)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B0302F #2FAFB0

analogous

#B02F6E #B0302F #B0702F

triadic

#B0302F #2FB030 #302FB0

tetradic

#B0302F #6EB02F #2FAFB0 #702FB0

square

#B0302F #6EB02F #2FAFB0 #702FB0

split-complementary

#B0302F #2FB070 #2F6EB0

monochromatic

#4F1615 #802322 #B0302F #CF4E4D #DC7E7D

Accessibility & contrast

On white

6.34

#B0302F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#B0302F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B0302F

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B0302F	#FFFFFF	#000000	##FFFFFF
##B0302F	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554E2E

Deuteranopia (green-blind)

#756A2B

Tritanopia (blue-blind)

#C20031

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #b0302f;
/* rgb */ color: rgb(176, 48, 47);
/* oklch */ color: oklch(50.7% 0.165 25.7);

Tailwind

colors: {
  custom: {
    50: '#d07268',
    500: '#b0302f',
    950: '#000000',
  },
}

SCSS

$custom: #b0302f;
$custom-light: #d07268;
$custom-dark: #000000;

JSON

{
  "hex": "#b0302f",
  "rgb": {
    "r": 176,
    "g": 48,
    "b": 47
  },
  "hsl": {
    "h": 0.465,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.5068,
    "c": 0.16498,
    "h": 25.7
  },
  "luminance": 0.11549
}

Semantic roles & 50–950 ramp

primary

#B0302F

secondary

#76C4C5

accent

#E0E147

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #B0302F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →